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VAPOR-X HD 4890 1GB GDDR5 PCI-E OC

Sapphire VAPOR-X HD 4890 1GB GDDR5 PCI-E OC is one of a few Sapphire Graphics Processing Units for desktop market. Based on ATI Radeon HD 4890, and The GPU is produced on 55 nm technological process, and employs Unified Superscalar Shader architecture. The card has graphics clocked at 870 MHz. It also has 800 stream processors, 40 texture units, as well as 16 color ROPs. The VAPOR-X HD 4890 1GB GDDR5 PCI-E OC incorporates 1 GB of GDDR5 memory. Since the memory operates at 1.05 GHz, and uses 256 bit bus, the effective memory bandwidth is 134.4 GB/s. The GPU supports PCI Express 2.0 interface, and needs 2 slots on the motherboard. The maximum power consumption of this model is 190 Watt, same as on the reference design.

More detailed specifications of the graphics card are available below.

Sapphire VAPOR-X HD 4890 1GB GDDR5 PCI-E OC GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: VAPOR-X HD 4890 1GB GDDR5 PCI-E OC
Based on: ATI Radeon HD 4890 [Compare]
Target market segment: Desktop
Die name: RV790 XT
Architecture: Unified Superscalar Shader Architecture
Fabrication process: 55 nm
Transistors: 959 million
Bus interface: PCI-E 2.0 x 16

Frequency

Graphics clock: 870 MHz

Memory specifications

Memory size: 1024 MB
Memory type: GDDR5
Memory clock: 1050 MHz
Memory clock (effective): 4.2 GHz
Memory interface width: 256-bit
Memory bandwidth: 134.4 GB/s

Cores / Texture

Color ROPs: 16
Stream processors: 800
Texture units: 40
Texture fetches / clock cycle: Up to 160
Textures/pixel: Up to 128
RAMDACs: 400 MHz
Decoders: DivX
H.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options: 4-way

Electric characteristics

Maximum power draw: 190 W

Video features

Multi-monitor: Up to 2 displays
Maximum digital resolution: 2560 x 1600
Maximum DVI resolution: 2560 x 1600
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: 24 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
HDMI: Yes
HDMI version: 1.3

Performance

Pixel fill rate: 13.92 Gigapixels/s
Texture fill rate: 34.8 Gigatexels/s
Single presision compute power: 1392 GFLOPS
Double precision compute power: 278.4 GFLOPS

External connectors

Standard display connectors: DisplayPort
Dual-Link DVI-I
HDMI
VGA
Power connectors: 2 x 6-pin
Audio input for HDMI: Yes

Dimensions

Width: Dual-Slot

Other features / Support

Other features: ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
Open CL support: 1.0
OpenGL support: 3.3
DirectX support: 10.1
Shader model: 4.1
Windows driver support: Windows 7
Windows Vista
Windows XP
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